CN217475431U

CN217475431U - Lateral compression clamp

Info

Publication number: CN217475431U
Application number: CN202222013800.XU
Authority: CN
Inventors: 万郑兵; 王文军; 蒙石钰
Original assignee: Ningbo Xusheng Auto Technology Co Ltd
Current assignee: Ningbo Xusheng Group Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-09-23
Anticipated expiration: 2032-08-02

Abstract

The utility model relates to a side direction compresses tightly anchor clamps, including workstation, support piece and clamping mechanism, its characterized in that: the clamping mechanism comprises a clamping piece for clamping a workpiece and a base provided with a sliding channel, wherein the sliding channel is obliquely and downwards arranged from one end far away from the supporting piece to one end close to the supporting piece; the power output end of the first driving piece penetrates through the workbench and is connected with the clamping piece; compared with the prior art, the utility model has the advantages of: set up the side direction space of first driving piece in order to practice thrift the workstation below the workstation to make this anchor clamps can adapt to the processing equipment of different grade type better, increased the commonality of anchor clamps, and set up the passageway that slides downwards through the slope, and let the clamping piece move down in order to press from both sides tight work piece along the passageway that slides under the drive of first driving piece, make the clamp force no longer receive the influence of atmospheric pressure (or oil pressure), thereby make the work piece by more stable clamp on this anchor clamps.

Description

Lateral compression clamp

Technical Field

The utility model relates to the technical field of machining, especially, relate to a side direction compresses tightly anchor clamps.

Background

In the course of machining, some work pieces need carry out the side direction and press from both sides tightly, at present, the side direction clamping mode of often adopting is to install actuating mechanism (like the cylinder, hydro-cylinder etc.) in the side, exert thrust to pressing from both sides tight piece, so that the work piece is pressed from both sides tightly, specifically can refer to chinese utility model that patent number is ZL202121751030.8 "a side direction clamping device suitable for dull and stereotyped fastener frock", this clamping device, the on-line screen storage device comprises a base, one side of base is provided with and drives the seat, is provided with drive arrangement on driving the seat, the opposite side of base is provided with first fixed plate and second fixed plate, drive arrangement's telescopic link links to each other with first activity clamp plate, the telescopic link through drive arrangement promotes first activity clamp plate and realizes the side direction clamp to the work piece tightly, this type of clamping device has following defect in the in-service use: firstly, the lateral space is occupied, and the subsequent feed machining is hindered; secondly, the clamping force is greatly fluctuated under the influence of air pressure (or oil pressure), so that unstable clamping phenomenon is easy to occur to cause processing scrap; for this reason, further improvements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a lateral compression clamp that can practice thrift the lateral space and can improve the clamping stability is provided to foretell technical current situation.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this side direction compresses tightly anchor clamps includes:

a work table;

the supporting piece is arranged on one side of the workbench and used for supporting a workpiece;

the clamping mechanism is arranged on the other side of the workbench and is opposite to the supporting piece; the method is characterized in that: the clamping mechanism includes:

the clamping piece is used for clamping the workpiece;

the base is provided with a sliding channel for the clamping piece to slide downwards, and the sliding channel is obliquely downwards arranged from one end far away from the supporting piece to one end close to the supporting piece;

the first driving piece is arranged below the workbench, and the power output end of the first driving piece penetrates through the workbench to be connected with the clamping piece;

under the state that the first driving piece drives the clamping piece to slide downwards along the sliding channel, the clamping piece approaches to the supporting piece to clamp the workpiece.

In order to better allow the clamping member to approach the support member during the downward sliding, it is preferable that the sliding channel is at an angle α with respect to the table, which is in the range of 45 ° < α <85 °. If the included angle alpha is too large, the clamping piece is too close to the workpiece when being opened, so that the workpiece is not convenient to take and place, and if the included angle alpha is too small, the sliding stroke of the clamping piece is too long, so that the clamping efficiency is reduced.

Preferably, the clamping mechanism further comprises a guard connected to the base for obstructing the clamp and the workpiece to prevent the clamp from damaging the workpiece. Compared with the lateral clamping, the clamping piece slides downwards along the sliding channel in an inclined mode to be close to the workpiece, the workpiece is clamped in a mode of scratching the surface of the workpiece in the clamping process, and therefore a protection piece is arranged between the clamping piece and the workpiece and is attached to the workpiece, the clamping piece indirectly exerts the clamping force on the workpiece through the protection piece, and therefore the workpiece is stably clamped, and meanwhile the surface of the workpiece is prevented from being scratched in the clamping process.

In order to better protect the workpiece, it is preferable that the vertical section of the protection member is L-shaped, and includes a transverse portion connected to the base and a vertical portion located between the clamping member and the workpiece, and in a state where the clamping member is driven by the first driving member to move down, the clamping member approaches the vertical portion, and the workpiece is clamped by the vertical portion being in contact with the workpiece.

In order to better clamp the workpiece, preferably, the clamping member includes:

a clamping portion parallel to the vertical portion of the guard, the clamping portion transmitting a clamping force to the vertical portion to indirectly apply a clamping force to a workpiece to clamp the workpiece;

the groove body is arranged at the bottom of the clamping piece and perpendicular to the clamping portion, the groove body can be connected with the power output end of the first driving piece, the first driving piece drives the clamping piece to slide downwards, and the clamping piece moves towards the direction close to the vertical portion. Because the clamping piece still needs to be close to the vertical part of the protection piece when moving downwards along the sliding channel, for this reason, the connection of the clamping piece and the power output end of the first driving piece is movably connected when needed, so that the clamping piece can conveniently slide.

Because the first driving member has various structures, from the viewpoint of simple structure and low cost, preferably, the first driving member is an oil cylinder, including:

the piston rod comprises a head part which can penetrate through the workbench and is connected with the groove body of the clamping piece;

the cylinder body is connected to the lower surface of the workbench, and the tail of the piston rod is connected to the cylinder body. The groove body of the clamping piece is movably connected with the head of the piston rod, so that when the piston rod moves downwards, the clamping piece can move downwards along with the piston rod and can move towards the vertical part of the protection piece relative to the piston rod.

In order to position the workpiece, it is preferable that the method further includes:

the positioning piece is arranged on the workbench and positioned between the supporting piece and the clamping mechanism;

and the auxiliary positioning mechanism is arranged opposite to the positioning piece and used for pushing the workpiece to approach the positioning piece so as to assist the positioning piece in positioning the workpiece.

In order to better assist the positioning device in positioning the workpiece, preferably, the auxiliary positioning mechanism includes:

the second driving piece is arranged below the workbench;

the auxiliary piece is connected at the power output end of the second driving piece, and the second driving piece drives the auxiliary piece to move downwards, so that the auxiliary piece can push the workpiece to be close to the positioning piece, and the positioning piece is assisted to position the workpiece.

In order to better push the workpiece to move towards the positioning element, preferably, the auxiliary element comprises:

the shell is connected with the power output end of the second driving piece, and a moving groove is formed towards the positioning piece;

the auxiliary pin can extend or retract relative to the shell along the moving groove;

and one end of the elastic piece is abutted against the shell, and the other end of the elastic piece is abutted against the auxiliary pin, so that the auxiliary pin always has the trend of extending outwards relative to the shell. The elastic piece is arranged to enable the auxiliary pin to be in floating connection, so that the surface of the workpiece can be prevented from being scratched when the workpiece is pushed.

In order to further clamp the workpiece, the clamping device preferably further comprises a pressing mechanism arranged on the supporting member and the base, and the pressing mechanism is used for pressing the workpiece which is positioned on the positioning member and laterally clamped by the clamping mechanism in the vertical direction.

Compared with the prior art, the utility model has the advantages of: the first driving part is arranged below the workbench to save the lateral space of the workbench, so that the clamp can better adapt to different types of machining equipment, the universality of the clamp is increased, the sliding channel is arranged downwards in an inclined mode, the clamping part moves downwards along the sliding channel under the driving of the first driving part to clamp a workpiece, the clamping force is not influenced by air pressure (or oil pressure), and the workpiece is clamped on the clamp more stably.

Drawings

Fig. 1 is a schematic view of an overall structure of a lateral pressing fixture in an embodiment of the present invention;

FIG. 2 is a schematic view illustrating a state in which a workpiece is pressed according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a workpiece placed in the fixture in an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a workpiece in a compressed state according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of an auxiliary element in an initial state according to an embodiment of the present invention;

fig. 6 is a sectional view showing a state where the auxiliary member is applied to the workpiece according to the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in FIGS. 1 to 6, the preferred embodiment of the present invention is shown. The lateral compression clamp of the embodiment comprises a workbench 1, a support 3 and a clamping mechanism 4; wherein, the supporting piece 3 is arranged at one side of the worktable 1 and is used for supporting the workpiece 2; the clamping mechanism 4 is arranged on the other side of the workbench 1, is opposite to the supporting member 3, and comprises a clamping member 41, a base 42 and a first driving member 43, wherein the clamping member 41 is used for clamping the workpiece 2, the base 42 is provided with a sliding channel 421 for the clamping member 41 to slide downwards, the sliding channel 421 is arranged from one end far away from the supporting member 3 to one end close to the supporting member 3 in an inclined and downward manner, the first driving member 43 is arranged below the workbench 1, the power output end of the first driving member passes through the workbench 1 and is connected with the clamping member 42, and the clamping member 41 is close to the supporting member 3 to clamp the workpiece 2 in a state that the first driving member 43 drives the clamping member 41 to slide downwards along the sliding channel 421; in addition, the clamping mechanism 4 further includes a protection member 44 connected to the base 42 for blocking the clamping member 41 and the workpiece 2 to prevent the clamping member 41 from damaging the workpiece 2, a vertical cross section of the protection member 44 is "L" shaped, and includes a transverse portion 441 connected to the base 42 and a vertical portion 442 located between the clamping member 41 and the workpiece 2, and in a state where the first driving member 43 drives the clamping member 41 to move down, the clamping member 41 approaches the vertical portion 442, and the vertical portion 442 abuts against the workpiece 2, so that the workpiece 2 is clamped. Compared with the lateral clamping, the clamping member 41 slides obliquely downward along the sliding channel 421 to approach the workpiece 2, and the clamping of the workpiece 2 scratches the surface of the workpiece 2 during the clamping process, for this reason, a protection member 44 is provided between the clamping member 41 and the workpiece 2, the protection member 44 is attached to the workpiece 2, and the clamping member 41 indirectly applies the clamping force to the workpiece 2 through the protection member 44, so that the workpiece 2 is stably clamped while the surface of the workpiece 2 is prevented from being scratched during the clamping process.

In order to better let the clamping member 41 approach the support member 3 during the downward sliding, the sliding channel 421 of this embodiment forms an angle α with the table 1, where α is in the range of 45 ° < α <85 °. Too large an angle α will cause the clamping member 41 to be too close to the workpiece 2 when opened, which is not conducive to picking and placing the workpiece 2, while too small an angle α will cause the sliding stroke of the clamping member 41 to be too long, which reduces the clamping efficiency. In addition, in order to better clamp the workpiece 2, the clamping member 41 of the present embodiment includes a clamping portion 411 and a groove body 412; wherein the clamping portion 411 is parallel to the vertical portion 442 of the guard 44, the clamping portion 411 transmitting a clamping force to the vertical portion 442 to indirectly apply the clamping force to the workpiece 2 to clamp the workpiece 2; the slot 412 is disposed at the bottom of the clamping member 41 and perpendicular to the clamping portion 411, the slot 412 can be connected to the power output end of the first driving member 43, and the clamping member 41 moves toward the vertical portion 442 through the slot 412 in a state where the first driving member 43 drives the clamping member 41 to slide downward. Since the clamping member 41 is moved downward along the sliding channel 421 and is required to approach the vertical portion 442 of the protection member 44, the clamping member 41 is connected to the power output end of the first driving member 43 in an active manner as required, so as to facilitate the sliding of the clamping member 41.

Since the first driving member 43 has various structures, the following structure is adopted in the present embodiment from the viewpoint of simple structure and low cost: the first driving member 43 of the present embodiment is an oil cylinder, and includes a piston rod 431 and a cylinder 432; the piston rod 431 includes a head 4311 that can pass through the table 1 to connect with the groove 412 of the clamp 41; the cylinder 432 is connected to the lower surface 11 of the table 1, and the tail 4312 of the piston rod 431 is connected to the cylinder 432. The groove 412 of the clamping member 41 is movably connected with the head 4311 of the piston rod 431, so that when the piston rod 431 moves downwards, the clamping member 41 can move downwards along with the piston rod 431 and can also move towards the vertical part 442 of the protection member 44 relative to the piston rod 431.

In order to position the workpiece 2, the following structures are added in the present embodiment, specifically, the present embodiment further includes a positioning member 5, an auxiliary positioning mechanism 6, and a pressing mechanism 7; wherein, the positioning piece 5 is arranged on the workbench 1 and positioned between the support piece 3 and the clamping mechanism 4; the auxiliary positioning mechanism 6 is disposed opposite to the positioning element 5, and is used for pushing the workpiece 2 to approach the positioning element 5, so as to position the workpiece 2 by the auxiliary positioning element 5, the auxiliary positioning mechanism 6 includes a second driving element 61 disposed below the workbench 1, and an auxiliary element 62 connected to a power output end of the second driving element 61, in a state where the second driving element 61 drives the auxiliary element 62 to move downward, the auxiliary element 62 can push the workpiece 2 to approach the positioning element 5, so that the auxiliary positioning element 5 positions the workpiece 2, the auxiliary element 62 includes a housing 621, an auxiliary pin 622 and an elastic element 623, the housing 621 is connected to the power output end of the second driving element 61, a moving slot 6211 is disposed toward the positioning element 5, the auxiliary pin 622 can extend outward along the moving slot 6211 relative to the housing 621 or extend inward relative to the housing 621, one end of the elastic element 623 supports the housing 621, and the other end of the auxiliary pin 622 extends outward, so that the auxiliary pin 622 always has a tendency relative to the housing 621, the elastic member 623 is provided so that the auxiliary pin 622 is connected in a floating manner, and it is possible to avoid scratching the surface of the workpiece 2 when pushing the workpiece 2; the pressing mechanism 7 is disposed on the support 3 and the base 42, and is used for pressing the workpiece 2 which is positioned on the positioning member 5 and is laterally clamped by the clamping mechanism 4 in the vertical direction.

To sum up, the use process of this side direction compresses tightly anchor clamps is as follows:

A. placing the workpiece 2 on the worktable 1 as shown in fig. 3, and positioning by the positioning piece 5 and the auxiliary positioning mechanism 6 as shown in fig. 5 and 6;

B. the first driving element 43 drives the clamping element 41 to move downwards along the sliding channel 421, the clamping element 41 abuts against the vertical part 442 of the protection element 44, and the vertical part 442 is tightly attached to the workpiece 2, as shown in fig. 4;

C. the clamping member 41 applies pressure to the vertical portion 442 during the process, so that the workpiece 2 is clamped on the table 1.

Claims

1. A lateral compression clamp comprising:

a work table (1);

the support piece (3) is arranged on one side of the workbench (1) and is used for supporting the workpiece (2);

the clamping mechanism (4) is arranged on the other side of the workbench (1) and is opposite to the support piece (3); the method is characterized in that: the clamping mechanism (4) comprises:

a clamping member (41) for clamping the workpiece (2);

the base (42) is provided with a sliding channel (421) for the clamping piece (41) to slide downwards, and the sliding channel (421) is obliquely downwards arranged from one end far away from the supporting piece (3) to one end close to the supporting piece (3);

the first driving piece (43) is arranged below the workbench (1), and the power output end of the first driving piece penetrates through the workbench (1) to be connected with the clamping piece (41);

under the condition that the first driving piece (43) drives the clamping piece (41) to slide downwards along the sliding channel (421), the clamping piece (41) approaches the supporting piece (3) to clamp the workpiece (2).

2. A lateral compression clamp as claimed in claim 1, wherein: the included angle between the sliding channel (421) and the workbench (1) is alpha, and the range of alpha is 45 degrees < alpha <85 degrees.

3. A lateral compression clamp as claimed in claim 2, wherein: the clamping mechanism (4) further comprises a guard (44) connected to the base (42) for blocking the clamping member (41) from the workpiece (2) to prevent the clamping member (41) from damaging the workpiece (2).

4. A lateral compression clamp as claimed in claim 3, wherein: the vertical section of the protection part (44) is L-shaped, the protection part comprises a transverse part (441) connected with the base (42) and a vertical part (442) located between the clamping piece (41) and the workpiece (2), the clamping piece (41) is close to the vertical part (442) under the condition that the first driving part (43) drives the clamping piece (41) to move downwards, and the workpiece (2) is clamped through the fit of the vertical part (442) and the workpiece (2).

5. A lateral compression clamp as claimed in claim 4, wherein: the clamping member (41) includes:

a clamping portion (411) parallel to the vertical portion (442) of the guard (44), the clamping portion (411) transmitting a clamping force to the vertical portion (442) to indirectly apply a clamping force to a workpiece (2) to clamp the workpiece (2);

the clamping piece (41) is arranged on the bottom of the clamping piece (41) and perpendicular to the clamping portion (411), the groove body (412) can be connected with a power output end of the first driving piece (43), and the clamping piece (41) moves towards the direction close to the vertical portion (442) through the groove body (412) under the condition that the first driving piece (43) drives the clamping piece (41) to slide downwards.

6. A lateral compression clamp as claimed in claim 5, wherein: the first driving member (43) is an oil cylinder, and includes:

the piston rod (431) comprises a head part (4311) which can penetrate through the workbench (1) and is connected with the groove body (412) of the clamping piece (41);

the cylinder body (432) is connected to the lower surface (11) of the workbench (1), and the tail portion (4312) of the piston rod (431) is connected to the cylinder body (432).

7. A lateral compression clamp as claimed in any one of claims 1 to 6, wherein: further comprising:

the positioning piece (5) is arranged on the workbench (1) and is positioned between the support piece (3) and the clamping mechanism (4);

and the auxiliary positioning mechanism (6) is arranged opposite to the positioning piece (5) and used for pushing the workpiece (2) to approach the positioning piece (5) so as to assist the positioning piece (5) in positioning the workpiece (2).

8. A lateral compression clamp as claimed in claim 7, wherein: the auxiliary positioning mechanism (6) comprises:

a second driving member (61) arranged below the workbench (1);

the auxiliary piece (62) is connected at the power output end of the second driving piece (61), the second driving piece (61) drives the auxiliary piece (62) to move downwards, and the auxiliary piece (62) can push the workpiece (2) to be close to the positioning piece (5), so that the positioning piece (5) is assisted to position the workpiece (2).

9. A lateral compression clamp as claimed in claim 8, wherein: the auxiliary (62) comprises:

the shell (621) is connected with the power output end of the second driving piece (61), and a moving groove (6211) is formed in the direction facing the positioning piece (5);

an auxiliary pin (622) capable of extending or retracting along the moving groove (6211) relative to the housing (621);

and one end of the elastic piece (623) abuts against the shell (621) and the other end abuts against the auxiliary pin (622), so that the auxiliary pin (622) always has a tendency of extending outwards relative to the shell (621).

10. A lateral compression clamp as claimed in claim 9, wherein: the workpiece pressing device is characterized by further comprising a pressing mechanism (7) arranged on the supporting piece (3) and the base (42), wherein the pressing mechanism (7) is used for pressing a workpiece (2) which is positioned on the positioning piece (5) and laterally clamped through the clamping mechanism (4) in the vertical direction.